Home / 2,909,957.90-4,357,483.92-2,428,989.81

Finding the Fourth Proportional to 2,909,957.90, 4,357,483.92 and 2,428,989.81

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Solution

The fourth proportional to 2,909,957.90, 4,357,483.92 and 2,428,989.81 is: 3,637,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,957.90 : 4,357,483.92 = 2,428,989.81 : x
  2. Step 2: Convert to fraction form
    2,909,957.90/4,357,483.92 = 2,428,989.81/x
  3. Step 3: Cross multiply
    2,909,957.90x = 4,357,483.92 × 2,428,989.81
  4. Step 4: Simplify right side
    2,909,957.90x = 10,584,284,038,918.86
  5. Step 5: Solve for x
    x = 10,584,284,038,918.86/2,909,957.90
  6. Step 6: Final answer
    x = 3,637,263.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.